🧠 179. What is CDN?

CDN stands for: 👉 Content Delivery Network

A CDN stores copies of content across multiple servers worldwide.

Benefits:

✅ Faster content delivery

✅ Reduced latency

✅ Better availability

Examples:

Cloudflare

Akamai

🧠 180. What is Load Balancing?

Load balancing distributes traffic across multiple servers.

Example:

Users

↓

Load Balancer

↓ ↓ ↓

Server1 Server2 Server3

Benefits:

✅ High availability

✅ Better performance

✅ Fault tolerance

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